In 2013 we brought you our six favourite TEDx talks about food security, which we followed with 9 more in 2014. This time, to celebrate World Environment Day on June 5th we bring you some of our favourite TED talks about climate change, biodiversity and the environment. We’d love for you to share your favourites and to hear your thoughts about our list on twitter using #TEDenvironment and our handle, @Ag4Impact

Jonathan Drori: Why we’re storing billions of seeds highlights the importance of biodiversity for supporting life, and looks into the Millennium Seed bank where billions of seeds, including non-food plants, are being stored for posterity.

2. Cary Fowler: One seed at a time, protecting the future of food takes this idea further, by looking at the Svalbard Global Seed Vault that stores millions of specifically food-crop seeds. Cary describes biodiversity is the ‘raw material’ of agriculture and highlights the importance of storing these seeds for “whatever tomorrow may bring”

While we spend a lot of our time with our noses stuck in books, reports and articles we also like to hear from global experts from time to time. Here are 6 of our favourite TED talks.

Ellen Gustafson: Co-creator of the philanthropic FEED bags, Ellen Gustafson says hunger and obesity are two sides of the same coin. In her talk, she launches The 30 Project — a way to change how we farm and eat in the next 30 years, and solve the global food inequalities behind both epidemics. Watch the video

Tristram Stuart: Western countries throw out nearly half of their food, not because it’s inedible — but because it doesn’t look appealing. Tristram Stuart delves into the shocking data of wasted food, calling for a more responsible use of global resources. Watch the video

Jonathan Foley: A skyrocketing demand for food means that agriculture has become the largest driver of climate change, biodiversity loss and environmental destruction. Jonathan Foley shows why we desperately need to begin “terraculture” — farming for the whole planet. Watch the video

Eleni Gabre-Madhin: Economist Eleni Gabre-Madhin outlines her ambitious vision to found the first commodities market in Ethiopia. Her plan would create wealth, minimize risk for farmers and turn the world’s largest recipient of food aid into a regional food basket. Watch the video

Louise Fresco: shows us why we should celebrate mass-produced, supermarket-style white bread. She says environmentally sound mass production will feed the world, yet leave a role for small bakeries and traditional methods. A powerful thinker and globe-trotting advisor on sustainability, Louise Fresco says it’s time to think of food as a topic of social and economic importance on par with oil — that responsible agriculture and food consumption are crucial to world stability. Watch the video

Simran Sethi: The buried foundations of food and future-food are slowly disappearing. Environmental journalist Simran Sethi takes us beneath our plates to explore the erosion of what we grow and eat. Through an exploration of agricultural biodiversity, seed monocultures and consolidation, and the small-scale farmers who continue to grow much of the world’s food, Simran explains what we all can do to ensure the security and sovereignty of our seed and food. Watch the video

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This blog is run by Agriculture for Impact (A4I), an independent advocacy initiative led by Professor Sir Gordon Conway, author of the book One Billion Hungry: Can We Feed the World?

A4I aims to enable better European government support for productive, sustainable, equitable and resilient agricultural development in sub-Saharan Africa, focusing in particular on the needs of smallholder farmers.

Agriculture for Impact also convenes the Montpellier Panel, a group of European and African experts in the fields of agriculture, trade, ecology and global development.

It is based at Imperial College London and is supported through the Bill & Melinda Gates Foundation